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Measurement and Instrumentation

Measurement and Instrumentation
A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is

90°
0°
30°
120°

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Measurement and Instrumentation
The repeat accuracy of an instrument can be judged from its

Standard deviation of error
Linearity error
Dynamic error
Static error

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Measurement and Instrumentation
To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to

 ± 7.5 %
 ± 20%
 ± 1.5%
 ± 2.5%

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Measurement and Instrumentation
A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is

 2 V
 1 V
 0.5 V
 1.5 V

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Measurement and Instrumentation
Which of the following instruments can be used to measure AC current only?

Moving iron voltmeter
Induction type ammeter
Permanent Magnet Type ammeter
Moving iron ammeter

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Stack pointer
 Accumulator
 Register B
 Register C

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MORE MCQ ON Measurement and Instrumentation

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